Anticreeping device for weather or buffer strips



R. T. AXE

Sept. 25, 1934.

ANTICREEPING DEVICE FOR WEATHER OR BUFFER STRIPS Filed May 18, 1933 INVENTOR.

W"Wm.

ATTORNEY.

' ily placed in position at both ends of the strip,

- with the wall of the r Patented Sept. 25, I934 rATENToF 1,974,638 F I C E ANTICREEPING DEVICE. FOR vVE T'HER on U F R STRIPS, j Roy Axe, Syracuse, N. Y; assignor, by mesne u assignments, 'to ThcrSyracuse TrustCompany, Syracuse, N. Y., a. corporation of New York,

.trustee Application May '18, 1933, Serial no. 671,710

2 Claims. (01. 189-.65);

and rear walls of the sheet metal structure with V This invention relates to window or analogous structures utilizing weather or buffer strips which are yielding or" elastic, and which are placed in position'by moving them endwise intoa"groove opening through the edge of the structure, and hasfo'r its object a particularly simple, economical and accessible means forholding' the yielding or elastic strip from creeping or lineal contracting after it has once been located'inposition, which creeping is due'tothe reaction of the yielding or elastic strip.

It further has for its object, a holdingmeans which is preferably a separate partfr'om the window structure, or the wall of the groove, and also from the strip itself, and which can be readafter the strip has been placed in the groove.

It further has for its object, a holding means which is a separate piece which interlocks both with the strip, or the end portion thereof, and

It further has for its object, a holding means which is attached to the ends of the strip before the strip is placed in the groove in the sash member.

It further has for its object, an anti-creeping -means for weather or buffer strips, which is a part of the wall of the groove or the window structure, and which is operable after the strip has been inserted into the groove into position to take into, or embed into, the strip.

The invention consists in the novel features in the combinations and constructions hereginafter set forth and claimed.

In describing this invention, reference is had to the accompanying drawing in which like characters designate corresponding parts in all the views.

Figure 1 is a fragmentary isometric view, partly broken away, of a window sash in which the bottom rail is provided with a weather or buffer strip for engaging the sill of the window frame.

Figure 2 is a view, similar to Figure 1, of a modified form of the invention.

Figure 3 is a detail isometric view of the anticreeping member shown in Figure 1.

Figure 4 is an isometric view of a weather strip having another form of the invention applied thereto.

I have here shown my invention as applied to the bottom rail of a sheet metal sash, the bottom rail being formed to have a groove for a weather or buffer strip opening through its outer edge.

1 designates the bottom rail, or sash member, formed with the groove 2 extending through its lower edge, this groove being here shown as formed by an insert 3 extending between the front thereof of sponge rubber, so that it has considerable elasticity. The bufier strip 4 is formed with lengthwise grooves 5 in opposite sides thereof which receive inturned flanges 6 at. the lower edges of theside walls of the bottom rail; The buffer strips are placed in the groove 2 by an endwise sliding movement from one end of the groove to the other, sliding the grooves 5 over the flanges 6, and the portion'o'f the buffer in the groove substantially'fills the groove. The strip stretches when being pulled into the groove and hence, after it is initially placed in the groove, is liable to creep, or shorten, owing to the reaction of the elastic rubber so that one end, or the other, of the strip will be short of the end, or ends, of the groove, leaving spaces for drafts to enter. contracting is a very slow reaction and oftentimes does not develop until after the sash is shippped, or installed, in a bus or vehicle, and is a source of trouble. It will be understood that the sashes coact at their upright edges with sash guides, and if the strip is left too long, with the idea that the strip will eventually contract to the proper length, then the projecting ends interfere with the working of the sash along its guide.

The means for preventing creeping, or coni tracting, of the rubber buffer comprises means for anchoring the buffer to the wall of the groove at the ends of the buffer strip and the groove after the strip has been inserted, so that said means is accessible from opposite ends of the sash member or bottom rail. As seen in Figures 1 and 3, this means is a separable part from both the sash and the buffer strip, and has means for interlocking with the sash or the wall of the groove and the buffer strip. It consists of a single member or clip 7 having one or more prongs 8 struck therefrom which take into. or embed into. the buffer. and a lug 9 at one end which engages one of the end edges of the sash mem- The her or wall of the groove. The member 7 is preferably a flat strip, and the prongs 8 are struck therefrom and inclined away from the wall of the groove, and toward the end portion of the groove, and the lug 9 is angular to the body of;

the member '7 and engages the end edge of the wall of the groove.

In operation, after the rubber buffer strip has been placed in the groove 2, one of the members 7 is slid into each end of the groove between the thereof and hold it from creeping, the prongs of the member 7 at one end holding it from creeping inwardly in one direction, and the prongs 7 of the member 7 at the other end holding the strip from creeping inwardly in the other direction.

In Figure 2, 10 designates the prongs which are formed or struck from the bottom of the groove 2 and are normally arranged in the plane of the bottom of the groove. After the strip is inserted, these prongs are bent downwardly .into position to take into the rubber buffer strip, and as they are located near the open end of the bottom rail, they are readily accessible for this purpose.

In Figure 4, the buffer strip is shown as provided with a member 12, partly enclosing or boxing each end thereof, and secured to the buffer strip. Each of the members 12 is provided with 2. lug 14 at its outer end. As shown, it is tightly clamped or contracted on each end portion of the strip. In operation, the strip with the members 12 thereon is slid endwise into the groove and when located in the groove, the lugs 14 are bent to interlock with the end edges of the wall of the groove and thus hold the rubber strip from creeping in either direction.

This anti-creeping device for weather, or buffer strips is particularly advantageous in that it is particularly simple and economical in construction, adds practically nothing to the cost of the sash, and solves a long existing and. aggravating problem.

What I claim is:

1. In a window construction, a member having a groove extending lengthwise and opening through its ends and one lengthwise edge, an elastic weather or buffer strip in said groove, placeable in the groove by an endwise sliding movement and means anchored to the strip and to a wall of the groove at the ends only of the strip for holding the strip from lineal contracting after being tensioned by the endwise sliding movement into the groove.

2. In a window construction, a member having a groove extending lengthwise and opening through its ends and one lengthwise edge, an elastic weather or buffer strip in said groove, placeable in the groove by an endwise sliding movement and means anchored to the strip and to a wall of the groove at the ends only of the strip for. holding the strip from lineal contracting after being tensioned by the endwise sliding movement into the groove, said means including an insert extending into the groove from each end thereof and interposed between one of the walls of the groove and the opposing side of the strip and having means for anchoring it to the strip and to the wall of the groove.

ROY T. AXE. 

